a written permission, he had to write another letter to the president of the university.
#90820
A
Not giving
B
Not having been given
C
Having not given
D
Having not been given
推荐题目
No matter how bright a talker you are, there are times when it’s better _____ silent.
#94298
A
remain
B
be remaining
C
having remained
D
to remain
A health care project can provide treatment ______ half the cost or less，______ the needs of the patient.
#98133
A
at；relied on
B
with；relying on
C
at；relying on
D
by；relies on
——The captain did not leave the sinking ship till the last moment. ——So he was the last man ______ the ship.
#95066
A
left
B
leaving
C
to leave
D
to be leaving
-----“The money in our classroom is lost, who do you think steal it？”Jack says.----Veny is said the money.
#90327
A
to steal
B
to stealing
C
to have stolen
D
have stolen
Some very common things such as to the sun for a long time will do harm to people's skin and even cause skin cancer
#90764
A
exposing
B
being exposed
C
having exposed
D
exposed